mtk Tolong dong kakak kakak saya tidak mengerti Pakai cara yaa

A.) 125/100 - 1/2 x 1/4
= 5/4 - 1/8
=10/8 - 1 /8
= 9/8
maaf kalau salah semoga bisa membantu

a) 1,25 - 0,5 × ¼
= 125/100 - 5/10 × ¼
= 125/100 - 1/8
= 250/200 - 25/200
= 225/200
= 1 25/200
= 1 ⅛

b) ¼ + 1,5 ÷ 0,25
= ¼ + 15/10 ÷ 25/100
= ¼ + 15/10 × 100/25
= ¼ + 6/1
= ¼ + 6
= 6¼

c) 2 4/5 × 1/8 - 0,15
= 14/5 × 1/8 - 15/100
= 14/40 - 15/100
= 70/200 - 30/200
= 40/200
= 1/5

d) 35% + 2 4/5 × ( 0,25 + 1/5 )
= 35% + 14/5 × ( 25/100 + 20/100 )
= 35/100 + 14/5 × 45/100
= 35/100 + 126/100
= 161/100
= 1 61/100

e) 2,5 ÷ ¼ - 1 1/5 × 20%
= 25/10 × 4/1 - 6/5 × 20/100
= 100/10 - 6/25
= 10 - 6/25
= 9 19/25

f) 3 5/6 × 0,4 - 1⅛ ÷ ¾
= 23/6 × 4/10 - 9/8 × 4/3
= 23/15 - 3/2
= 46/30 - 45/30
= 1/30